src/mesa/drivers/dri/nouveau/nv20_context.c

   1 /*
   2  * Copyright (C) 2009-2010 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include <stdbool.h>
  28 #include "nouveau_driver.h"
  29 #include "nouveau_context.h"
  30 #include "nouveau_fbo.h"
  31 #include "nouveau_util.h"
  32 #include "nv_object.xml.h"
  33 #include "nv20_3d.xml.h"
  34 #include "nv04_driver.h"
  35 #include "nv10_driver.h"
  36 #include "nv20_driver.h"
  37 #include "util/u_memory.h"
  38
  39 static void
  40 nv20_clear(struct gl_context *ctx, GLbitfield buffers)
  41 {
  42         struct nouveau_context *nctx = to_nouveau_context(ctx);
  43         struct nouveau_pushbuf *push = context_push(ctx);
  44         struct gl_framebuffer *fb = ctx->DrawBuffer;
  45         uint32_t clear = 0;
  46
  47         nouveau_validate_framebuffer(ctx);
  48
  49         nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
  50         if (nouveau_pushbuf_validate(push)) {
  51                 nouveau_pushbuf_bufctx(push, NULL);
  52                 return;
  53         }
  54
  55         if (buffers & BUFFER_BITS_COLOR) {
  56                 struct nouveau_surface *s = &to_nouveau_renderbuffer(
  57                         fb->_ColorDrawBuffers[0])->surface;
  58
  59                 if (GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 0))
  60                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_R;
  61                 if (GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 1))
  62                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_G;
  63                 if (GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 2))
  64                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_B;
  65                 if (GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 3))
  66                         clear |= NV20_3D_CLEAR_BUFFERS_COLOR_A;
  67
  68                 BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
  69                 PUSH_DATA (push, pack_rgba_clamp_f(s->format, ctx->Color.ClearColor.f));
  70
  71                 buffers &= ~BUFFER_BITS_COLOR;
  72         }
  73
  74         if (buffers & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
  75                 struct nouveau_surface *s = &to_nouveau_renderbuffer(
  76                         fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
  77
  78                 if (buffers & BUFFER_BIT_DEPTH && ctx->Depth.Mask)
  79                         clear |= NV20_3D_CLEAR_BUFFERS_DEPTH;
  80                 if (buffers & BUFFER_BIT_STENCIL && ctx->Stencil.WriteMask[0])
  81                         clear |= NV20_3D_CLEAR_BUFFERS_STENCIL;
  82
  83                 BEGIN_NV04(push, NV20_3D(CLEAR_DEPTH_VALUE), 1);
  84                 PUSH_DATA (push, pack_zs_f(s->format, ctx->Depth.Clear,
  85                                          ctx->Stencil.Clear));
  86
  87                 buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
  88         }
  89
  90         BEGIN_NV04(push, NV20_3D(CLEAR_BUFFERS), 1);
  91         PUSH_DATA (push, clear);
  92
  93         nouveau_pushbuf_bufctx(push, NULL);
  94         nouveau_clear(ctx, buffers);
  95 }
  96
  97 static void
  98 nv20_hwctx_init(struct gl_context *ctx)
  99 {
 100         struct nouveau_pushbuf *push = context_push(ctx);
 101         struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
 102         struct nv04_fifo *fifo = hw->chan->data;
 103         int i;
 104
 105         BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
 106         PUSH_DATA (push, hw->eng3d->handle);
 107         BEGIN_NV04(push, NV20_3D(DMA_NOTIFY), 1);
 108         PUSH_DATA (push, hw->ntfy->handle);
 109         BEGIN_NV04(push, NV20_3D(DMA_TEXTURE0), 2);
 110         PUSH_DATA (push, fifo->vram);
 111         PUSH_DATA (push, fifo->gart);
 112         BEGIN_NV04(push, NV20_3D(DMA_COLOR), 2);
 113         PUSH_DATA (push, fifo->vram);
 114         PUSH_DATA (push, fifo->vram);
 115         BEGIN_NV04(push, NV20_3D(DMA_VTXBUF0), 2);
 116         PUSH_DATA (push, fifo->vram);
 117         PUSH_DATA (push, fifo->gart);
 118
 119         BEGIN_NV04(push, NV20_3D(DMA_QUERY), 1);
 120         PUSH_DATA (push, 0);
 121
 122         BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
 123         PUSH_DATA (push, 0);
 124         PUSH_DATA (push, 0);
 125
 126         BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
 127         PUSH_DATA (push, 0xfff << 16 | 0x0);
 128         BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(0)), 1);
 129         PUSH_DATA (push, 0xfff << 16 | 0x0);
 130
 131         for (i = 1; i < NV20_3D_VIEWPORT_CLIP_HORIZ__LEN; i++) {
 132                 BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_HORIZ(i)), 1);
 133                 PUSH_DATA (push, 0);
 134                 BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_VERT(i)), 1);
 135                 PUSH_DATA (push, 0);
 136         }
 137
 138         BEGIN_NV04(push, NV20_3D(VIEWPORT_CLIP_MODE), 1);
 139         PUSH_DATA (push, 0);
 140
 141         BEGIN_NV04(push, SUBC_3D(0x17e0), 3);
 142         PUSH_DATAf(push, 0.0);
 143         PUSH_DATAf(push, 0.0);
 144         PUSH_DATAf(push, 1.0);
 145
 146         if (context_chipset(ctx) >= 0x25) {
 147                 BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
 148                 PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL | 0xdb0);
 149         } else {
 150                 BEGIN_NV04(push, SUBC_3D(0x1e68), 1);
 151                 PUSH_DATA (push, 0x4b800000); /* 16777216.000000 */
 152                 BEGIN_NV04(push, NV20_3D(TEX_RCOMP), 1);
 153                 PUSH_DATA (push, NV20_3D_TEX_RCOMP_LEQUAL);
 154         }
 155
 156         BEGIN_NV04(push, SUBC_3D(0x290), 1);
 157         PUSH_DATA (push, 0x10 << 16 | 1);
 158         BEGIN_NV04(push, SUBC_3D(0x9fc), 1);
 159         PUSH_DATA (push, 0);
 160         BEGIN_NV04(push, SUBC_3D(0x1d80), 1);
 161         PUSH_DATA (push, 1);
 162         BEGIN_NV04(push, SUBC_3D(0x9f8), 1);
 163         PUSH_DATA (push, 4);
 164         BEGIN_NV04(push, SUBC_3D(0x17ec), 3);
 165         PUSH_DATAf(push, 0.0);
 166         PUSH_DATAf(push, 1.0);
 167         PUSH_DATAf(push, 0.0);
 168
 169         if (context_chipset(ctx) >= 0x25) {
 170                 BEGIN_NV04(push, SUBC_3D(0x1d88), 1);
 171                 PUSH_DATA (push, 3);
 172
 173                 BEGIN_NV04(push, NV25_3D(DMA_HIERZ), 1);
 174                 PUSH_DATA (push, fifo->vram);
 175                 BEGIN_NV04(push, NV25_3D(UNK01AC), 1);
 176                 PUSH_DATA (push, fifo->vram);
 177         }
 178
 179         BEGIN_NV04(push, NV20_3D(DMA_FENCE), 1);
 180         PUSH_DATA (push, 0);
 181
 182         BEGIN_NV04(push, SUBC_3D(0x1e98), 1);
 183         PUSH_DATA (push, 0);
 184
 185         BEGIN_NV04(push, NV04_GRAPH(3D, NOTIFY), 1);
 186         PUSH_DATA (push, 0);
 187
 188         BEGIN_NV04(push, SUBC_3D(0x120), 3);
 189         PUSH_DATA (push, 0);
 190         PUSH_DATA (push, 1);
 191         PUSH_DATA (push, 2);
 192
 193         if (context_chipset(ctx) >= 0x25) {
 194                 BEGIN_NV04(push, SUBC_3D(0x1da4), 1);
 195                 PUSH_DATA (push, 0);
 196         }
 197
 198         BEGIN_NV04(push, NV20_3D(RT_HORIZ), 2);
 199         PUSH_DATA (push, 0 << 16 | 0);
 200         PUSH_DATA (push, 0 << 16 | 0);
 201
 202         BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_ENABLE), 1);
 203         PUSH_DATA (push, 0);
 204         BEGIN_NV04(push, NV20_3D(ALPHA_FUNC_FUNC), 2);
 205         PUSH_DATA (push, NV20_3D_ALPHA_FUNC_FUNC_ALWAYS);
 206         PUSH_DATA (push, 0);
 207
 208         for (i = 0; i < NV20_3D_TEX__LEN; i++) {
 209                 BEGIN_NV04(push, NV20_3D(TEX_ENABLE(i)), 1);
 210                 PUSH_DATA (push, 0);
 211         }
 212
 213         BEGIN_NV04(push, NV20_3D(TEX_SHADER_OP), 1);
 214         PUSH_DATA (push, 0);
 215         BEGIN_NV04(push, NV20_3D(TEX_SHADER_CULL_MODE), 1);
 216         PUSH_DATA (push, 0);
 217
 218         BEGIN_NV04(push, NV20_3D(RC_IN_ALPHA(0)), 4);
 219         PUSH_DATA (push, 0x30d410d0);
 220         PUSH_DATA (push, 0);
 221         PUSH_DATA (push, 0);
 222         PUSH_DATA (push, 0);
 223         BEGIN_NV04(push, NV20_3D(RC_OUT_RGB(0)), 4);
 224         PUSH_DATA (push, 0x00000c00);
 225         PUSH_DATA (push, 0);
 226         PUSH_DATA (push, 0);
 227         PUSH_DATA (push, 0);
 228         BEGIN_NV04(push, NV20_3D(RC_ENABLE), 1);
 229         PUSH_DATA (push, 0x00011101);
 230         BEGIN_NV04(push, NV20_3D(RC_FINAL0), 2);
 231         PUSH_DATA (push, 0x130e0300);
 232         PUSH_DATA (push, 0x0c091c80);
 233         BEGIN_NV04(push, NV20_3D(RC_OUT_ALPHA(0)), 4);
 234         PUSH_DATA (push, 0x00000c00);
 235         PUSH_DATA (push, 0);
 236         PUSH_DATA (push, 0);
 237         PUSH_DATA (push, 0);
 238         BEGIN_NV04(push, NV20_3D(RC_IN_RGB(0)), 4);
 239         PUSH_DATA (push, 0x20c400c0);
 240         PUSH_DATA (push, 0);
 241         PUSH_DATA (push, 0);
 242         PUSH_DATA (push, 0);
 243         BEGIN_NV04(push, NV20_3D(RC_COLOR0), 2);
 244         PUSH_DATA (push, 0);
 245         PUSH_DATA (push, 0);
 246         BEGIN_NV04(push, NV20_3D(RC_CONSTANT_COLOR0(0)), 4);
 247         PUSH_DATA (push, 0x035125a0);
 248         PUSH_DATA (push, 0);
 249         PUSH_DATA (push, 0x40002000);
 250         PUSH_DATA (push, 0);
 251
 252         BEGIN_NV04(push, NV20_3D(MULTISAMPLE_CONTROL), 1);
 253         PUSH_DATA (push, 0xffff0000);
 254         BEGIN_NV04(push, NV20_3D(BLEND_FUNC_ENABLE), 1);
 255         PUSH_DATA (push, 0);
 256         BEGIN_NV04(push, NV20_3D(DITHER_ENABLE), 1);
 257         PUSH_DATA (push, 0);
 258         BEGIN_NV04(push, NV20_3D(STENCIL_ENABLE), 1);
 259         PUSH_DATA (push, 0);
 260         BEGIN_NV04(push, NV20_3D(BLEND_FUNC_SRC), 4);
 261         PUSH_DATA (push, NV20_3D_BLEND_FUNC_SRC_ONE);
 262         PUSH_DATA (push, NV20_3D_BLEND_FUNC_DST_ZERO);
 263         PUSH_DATA (push, 0);
 264         PUSH_DATA (push, NV20_3D_BLEND_EQUATION_FUNC_ADD);
 265         BEGIN_NV04(push, NV20_3D(STENCIL_MASK), 7);
 266         PUSH_DATA (push, 0xff);
 267         PUSH_DATA (push, NV20_3D_STENCIL_FUNC_FUNC_ALWAYS);
 268         PUSH_DATA (push, 0);
 269         PUSH_DATA (push, 0xff);
 270         PUSH_DATA (push, NV20_3D_STENCIL_OP_FAIL_KEEP);
 271         PUSH_DATA (push, NV20_3D_STENCIL_OP_ZFAIL_KEEP);
 272         PUSH_DATA (push, NV20_3D_STENCIL_OP_ZPASS_KEEP);
 273
 274         BEGIN_NV04(push, NV20_3D(COLOR_LOGIC_OP_ENABLE), 2);
 275         PUSH_DATA (push, 0);
 276         PUSH_DATA (push, NV20_3D_COLOR_LOGIC_OP_OP_COPY);
 277         BEGIN_NV04(push, SUBC_3D(0x17cc), 1);
 278         PUSH_DATA (push, 0);
 279         if (context_chipset(ctx) >= 0x25) {
 280                 BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
 281                 PUSH_DATA (push, 1);
 282         }
 283         BEGIN_NV04(push, NV20_3D(LIGHTING_ENABLE), 1);
 284         PUSH_DATA (push, 0);
 285         BEGIN_NV04(push, NV20_3D(LIGHT_MODEL), 1);
 286         PUSH_DATA (push, NV20_3D_LIGHT_MODEL_VIEWER_NONLOCAL);
 287         BEGIN_NV04(push, NV20_3D(SEPARATE_SPECULAR_ENABLE), 1);
 288         PUSH_DATA (push, 0);
 289         BEGIN_NV04(push, NV20_3D(LIGHT_MODEL_TWO_SIDE_ENABLE), 1);
 290         PUSH_DATA (push, 0);
 291         BEGIN_NV04(push, NV20_3D(ENABLED_LIGHTS), 1);
 292         PUSH_DATA (push, 0);
 293         BEGIN_NV04(push, NV20_3D(NORMALIZE_ENABLE), 1);
 294         PUSH_DATA (push, 0);
 295         BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_PATTERN(0)),
 296                    NV20_3D_POLYGON_STIPPLE_PATTERN__LEN);
 297         for (i = 0; i < NV20_3D_POLYGON_STIPPLE_PATTERN__LEN; i++) {
 298                 PUSH_DATA (push, 0xffffffff);
 299         }
 300
 301         BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_POINT_ENABLE), 3);
 302         PUSH_DATA (push, 0);
 303         PUSH_DATA (push, 0);
 304         PUSH_DATA (push, 0);
 305         BEGIN_NV04(push, NV20_3D(DEPTH_FUNC), 1);
 306         PUSH_DATA (push, NV20_3D_DEPTH_FUNC_LESS);
 307         BEGIN_NV04(push, NV20_3D(DEPTH_WRITE_ENABLE), 1);
 308         PUSH_DATA (push, 0);
 309         BEGIN_NV04(push, NV20_3D(DEPTH_TEST_ENABLE), 1);
 310         PUSH_DATA (push, 0);
 311         BEGIN_NV04(push, NV20_3D(POLYGON_OFFSET_FACTOR), 2);
 312         PUSH_DATAf(push, 0.0);
 313         PUSH_DATAf(push, 0.0);
 314         BEGIN_NV04(push, NV20_3D(DEPTH_CLAMP), 1);
 315         PUSH_DATA (push, 1);
 316         if (context_chipset(ctx) < 0x25) {
 317                 BEGIN_NV04(push, SUBC_3D(0x1d84), 1);
 318                 PUSH_DATA (push, 3);
 319         }
 320         BEGIN_NV04(push, NV20_3D(POINT_SIZE), 1);
 321         if (context_chipset(ctx) >= 0x25)
 322                 PUSH_DATAf(push, 1.0);
 323         else
 324                 PUSH_DATA (push, 8);
 325
 326         if (context_chipset(ctx) >= 0x25) {
 327                 BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 1);
 328                 PUSH_DATA (push, 0);
 329                 BEGIN_NV04(push, SUBC_3D(0x0a1c), 1);
 330                 PUSH_DATA (push, 0x800);
 331         } else {
 332                 BEGIN_NV04(push, NV20_3D(POINT_PARAMETERS_ENABLE), 2);
 333                 PUSH_DATA (push, 0);
 334                 PUSH_DATA (push, 0);
 335         }
 336
 337         BEGIN_NV04(push, NV20_3D(LINE_WIDTH), 1);
 338         PUSH_DATA (push, 8);
 339         BEGIN_NV04(push, NV20_3D(LINE_SMOOTH_ENABLE), 1);
 340         PUSH_DATA (push, 0);
 341         BEGIN_NV04(push, NV20_3D(POLYGON_MODE_FRONT), 2);
 342         PUSH_DATA (push, NV20_3D_POLYGON_MODE_FRONT_FILL);
 343         PUSH_DATA (push, NV20_3D_POLYGON_MODE_BACK_FILL);
 344         BEGIN_NV04(push, NV20_3D(CULL_FACE), 2);
 345         PUSH_DATA (push, NV20_3D_CULL_FACE_BACK);
 346         PUSH_DATA (push, NV20_3D_FRONT_FACE_CCW);
 347         BEGIN_NV04(push, NV20_3D(POLYGON_SMOOTH_ENABLE), 1);
 348         PUSH_DATA (push, 0);
 349         BEGIN_NV04(push, NV20_3D(CULL_FACE_ENABLE), 1);
 350         PUSH_DATA (push, 0);
 351         BEGIN_NV04(push, NV20_3D(SHADE_MODEL), 1);
 352         PUSH_DATA (push, NV20_3D_SHADE_MODEL_SMOOTH);
 353         BEGIN_NV04(push, NV20_3D(POLYGON_STIPPLE_ENABLE), 1);
 354         PUSH_DATA (push, 0);
 355
 356         BEGIN_NV04(push, NV20_3D(TEX_GEN_MODE(0,0)),
 357                    4 * NV20_3D_TEX_GEN_MODE__ESIZE);
 358         for (i=0; i < 4 * NV20_3D_TEX_GEN_MODE__LEN; i++)
 359                 PUSH_DATA (push, 0);
 360
 361         BEGIN_NV04(push, NV20_3D(FOG_COEFF(0)), 3);
 362         PUSH_DATAf(push, 1.5);
 363         PUSH_DATAf(push, -0.090168);
 364         PUSH_DATAf(push, 0.0);
 365         BEGIN_NV04(push, NV20_3D(FOG_MODE), 2);
 366         PUSH_DATA (push, NV20_3D_FOG_MODE_EXP_SIGNED);
 367         PUSH_DATA (push, NV20_3D_FOG_COORD_FOG);
 368         BEGIN_NV04(push, NV20_3D(FOG_ENABLE), 2);
 369         PUSH_DATA (push, 0);
 370         PUSH_DATA (push, 0);
 371
 372         BEGIN_NV04(push, NV20_3D(ENGINE), 1);
 373         PUSH_DATA (push, NV20_3D_ENGINE_FIXED);
 374
 375         for (i = 0; i < NV20_3D_TEX_MATRIX_ENABLE__LEN; i++) {
 376                 BEGIN_NV04(push, NV20_3D(TEX_MATRIX_ENABLE(i)), 1);
 377                 PUSH_DATA (push, 0);
 378         }
 379
 380         BEGIN_NV04(push, NV20_3D(VERTEX_ATTR_4F_X(1)), 4 * 15);
 381         PUSH_DATAf(push, 1.0);
 382         PUSH_DATAf(push, 0.0);
 383         PUSH_DATAf(push, 0.0);
 384         PUSH_DATAf(push, 1.0);
 385         PUSH_DATAf(push, 0.0);
 386         PUSH_DATAf(push, 0.0);
 387         PUSH_DATAf(push, 1.0);
 388         PUSH_DATAf(push, 1.0);
 389         PUSH_DATAf(push, 1.0);
 390         PUSH_DATAf(push, 1.0);
 391         PUSH_DATAf(push, 1.0);
 392         PUSH_DATAf(push, 1.0);
 393         for (i = 0; i < 12; i++) {
 394                 PUSH_DATAf(push, 0.0);
 395                 PUSH_DATAf(push, 0.0);
 396                 PUSH_DATAf(push, 0.0);
 397                 PUSH_DATAf(push, 1.0);
 398         }
 399
 400         BEGIN_NV04(push, NV20_3D(EDGEFLAG_ENABLE), 1);
 401         PUSH_DATA (push, 1);
 402         BEGIN_NV04(push, NV20_3D(COLOR_MASK), 1);
 403         PUSH_DATA (push, 0x00010101);
 404         BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
 405         PUSH_DATA (push, 0);
 406
 407         BEGIN_NV04(push, NV20_3D(DEPTH_RANGE_NEAR), 2);
 408         PUSH_DATAf(push, 0.0);
 409         PUSH_DATAf(push, 16777216.0);
 410
 411         BEGIN_NV04(push, NV20_3D(VIEWPORT_TRANSLATE_X), 4);
 412         PUSH_DATAf(push, 0.0);
 413         PUSH_DATAf(push, 0.0);
 414         PUSH_DATAf(push, 0.0);
 415         PUSH_DATAf(push, 16777215.0);
 416
 417         BEGIN_NV04(push, NV20_3D(VIEWPORT_SCALE_X), 4);
 418         PUSH_DATAf(push, 0.0);
 419         PUSH_DATAf(push, 0.0);
 420         PUSH_DATAf(push, 16777215.0 * 0.5);
 421         PUSH_DATAf(push, 65535.0);
 422
 423         PUSH_KICK (push);
 424 }
 425
 426 static void
 427 nv20_context_destroy(struct gl_context *ctx)
 428 {
 429         struct nouveau_context *nctx = to_nouveau_context(ctx);
 430
 431         nv04_surface_takedown(ctx);
 432         nv20_swtnl_destroy(ctx);
 433         nv20_vbo_destroy(ctx);
 434
 435         nouveau_object_del(&nctx->hw.eng3d);
 436
 437         nouveau_context_deinit(ctx);
 438         free(ctx);
 439 }
 440
 441 static struct gl_context *
 442 nv20_context_create(struct nouveau_screen *screen, gl_api api,
 443                     const struct gl_config *visual,
 444                     struct gl_context *share_ctx)
 445 {
 446         struct nouveau_context *nctx;
 447         struct gl_context *ctx;
 448         unsigned kelvin_class;
 449         int ret;
 450
 451         nctx = CALLOC_STRUCT(nouveau_context);
 452         if (!nctx)
 453                 return NULL;
 454
 455         ctx = &nctx->base;
 456
 457         if (!nouveau_context_init(ctx, api, screen, visual, share_ctx))
 458                 goto fail;
 459
 460         ctx->Extensions.ARB_texture_env_crossbar = true;
 461         ctx->Extensions.ARB_texture_env_combine = true;
 462         ctx->Extensions.ARB_texture_env_dot3 = true;
 463         ctx->Extensions.EXT_texture_env_dot3 = true;
 464         ctx->Extensions.NV_fog_distance = true;
 465         ctx->Extensions.NV_texture_rectangle = true;
 466         ctx->Extensions.EXT_texture_compression_s3tc = true;
 467         ctx->Extensions.ANGLE_texture_compression_dxt = true;
 468
 469         /* GL constants. */
 470         ctx->Const.MaxTextureCoordUnits = NV20_TEXTURE_UNITS;
 471         ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = NV20_TEXTURE_UNITS;
 472         ctx->Const.MaxTextureUnits = NV20_TEXTURE_UNITS;
 473         ctx->Const.MaxTextureMaxAnisotropy = 8;
 474         ctx->Const.MaxTextureLodBias = 15;
 475         ctx->Driver.Clear = nv20_clear;
 476
 477         /* 2D engine. */
 478         ret = nv04_surface_init(ctx);
 479         if (!ret)
 480                 goto fail;
 481
 482         /* 3D engine. */
 483         if (context_chipset(ctx) >= 0x25)
 484                 kelvin_class = NV25_3D_CLASS;
 485         else
 486                 kelvin_class = NV20_3D_CLASS;
 487
 488         ret = nouveau_object_new(context_chan(ctx), 0xbeef0001, kelvin_class,
 489                                  NULL, 0, &nctx->hw.eng3d);
 490         if (ret)
 491                 goto fail;
 492
 493         nv20_hwctx_init(ctx);
 494         nv20_vbo_init(ctx);
 495         nv20_swtnl_init(ctx);
 496
 497         return ctx;
 498
 499 fail:
 500         nv20_context_destroy(ctx);
 501         return NULL;
 502 }
 503
 504 const struct nouveau_driver nv20_driver = {
 505         .context_create = nv20_context_create,
 506         .context_destroy = nv20_context_destroy,
 507         .surface_copy = nv04_surface_copy,
 508         .surface_fill = nv04_surface_fill,
 509         .emit = (nouveau_state_func[]) {
 510                 nv10_emit_alpha_func,
 511                 nv10_emit_blend_color,
 512                 nv10_emit_blend_equation,
 513                 nv10_emit_blend_func,
 514                 nv20_emit_clip_plane,
 515                 nv20_emit_clip_plane,
 516                 nv20_emit_clip_plane,
 517                 nv20_emit_clip_plane,
 518                 nv20_emit_clip_plane,
 519                 nv20_emit_clip_plane,
 520                 nv10_emit_color_mask,
 521                 nv20_emit_color_material,
 522                 nv10_emit_cull_face,
 523                 nv10_emit_front_face,
 524                 nv10_emit_depth,
 525                 nv10_emit_dither,
 526                 nv20_emit_frag,
 527                 nv20_emit_framebuffer,
 528                 nv20_emit_fog,
 529                 nv10_emit_light_enable,
 530                 nv20_emit_light_model,
 531                 nv20_emit_light_source,
 532                 nv20_emit_light_source,
 533                 nv20_emit_light_source,
 534                 nv20_emit_light_source,
 535                 nv20_emit_light_source,
 536                 nv20_emit_light_source,
 537                 nv20_emit_light_source,
 538                 nv20_emit_light_source,
 539                 nv10_emit_line_stipple,
 540                 nv10_emit_line_mode,
 541                 nv20_emit_logic_opcode,
 542                 nv20_emit_material_ambient,
 543                 nv20_emit_material_ambient,
 544                 nv20_emit_material_diffuse,
 545                 nv20_emit_material_diffuse,
 546                 nv20_emit_material_specular,
 547                 nv20_emit_material_specular,
 548                 nv20_emit_material_shininess,
 549                 nv20_emit_material_shininess,
 550                 nv20_emit_modelview,
 551                 nv20_emit_point_mode,
 552                 nv10_emit_point_parameter,
 553                 nv10_emit_polygon_mode,
 554                 nv10_emit_polygon_offset,
 555                 nv10_emit_polygon_stipple,
 556                 nv20_emit_projection,
 557                 nv10_emit_render_mode,
 558                 nv10_emit_scissor,
 559                 nv10_emit_shade_model,
 560                 nv10_emit_stencil_func,
 561                 nv10_emit_stencil_mask,
 562                 nv10_emit_stencil_op,
 563                 nv20_emit_tex_env,
 564                 nv20_emit_tex_env,
 565                 nv20_emit_tex_env,
 566                 nv20_emit_tex_env,
 567                 nv20_emit_tex_gen,
 568                 nv20_emit_tex_gen,
 569                 nv20_emit_tex_gen,
 570                 nv20_emit_tex_gen,
 571                 nv20_emit_tex_mat,
 572                 nv20_emit_tex_mat,
 573                 nv20_emit_tex_mat,
 574                 nv20_emit_tex_mat,
 575                 nv20_emit_tex_obj,
 576                 nv20_emit_tex_obj,
 577                 nv20_emit_tex_obj,
 578                 nv20_emit_tex_obj,
 579                 nv20_emit_viewport,
 580                 nv20_emit_tex_shader
 581         },
 582         .num_emit = NUM_NV20_STATE,
 583 };